trunk/design/ibselectsqleditor.pas

(*
 *  IBX For Lazarus (Firebird Express)
 *
 *  The contents of this file are subject to the Initial Developer's
 *  Public License Version 1.0 (the "License"); you may not use this
 *  file except in compliance with the License. You may obtain a copy
 *  of the License here:
 *
 *    http://www.firebirdsql.org/index.php?op=doc&id=idpl
 *
 *  Software distributed under the License is distributed on an "AS
 *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 *  implied. See the License for the specific language governing rights
 *  and limitations under the License.
 *
 *  The Initial Developer of the Original Code is Tony Whyman.
 *
 *  The Original Code is (C) 2011 Tony Whyman, MWA Software
 *  (http://www.mwasoftware.co.uk).
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): ______________________________________.
 *
*)

unit ibselectsqleditor;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil,  Forms, Controls, Graphics, Dialogs,
  StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet, IB;

type

  { TIBSelectSQLEditorForm }

  TIBSelectSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    SelectProcedure: TLabel;
    TestBtn: TButton;
    FieldList: TListBox;
    IBTransaction1: TIBTransaction;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    SelectPage: TTabSheet;
    ExecutePage: TTabSheet;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure ExecutePageShow(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure SelectPageShow(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
    FExecuteOnly: boolean;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 


function EditSQL(DataSet: TIBCustomDataSet;  SelectSQL: TStrings): boolean;

implementation

{$R *.lfm}

function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
begin
  Result := false;
  if assigned(DataSet) and assigned(DataSet.Database) then
    try
      DataSet.Database.Connected := true;
    except on E: Exception do
      ShowMessage(E.Message)
    end;

  with TIBSelectSQLEditorForm.Create(Application) do
  try
    if assigned(DataSet) then
    begin
        SetDatabase(DataSet.Database);
        GenerateParams.Checked := DataSet.GenerateParamNames;
    end;
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
    begin
     SelectSQL.Assign(SQLText.Lines);
     if assigned(DataSet) then
          DataSet.GenerateParamNames := GenerateParams.Checked
    end;
  finally
    Free
  end;
end;

{ TIBSelectSQLEditorForm }

procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
var IsProcedureName: boolean;
begin
  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  if Trim(SQLText.Text) <> '' then
  begin
    try
      FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
    except  end;
    if IsProcedureName then
      PageControl.ActivePage := ExecutePage
    else
      PageControl.ActivePage := SelectPage;
  end
  else
    PageControl.ActivePage := SelectPage;
end;

procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
begin
  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
var TableName: string;
begin
  TableNamesCombo.Items.Clear;
  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
  if TableNamesCombo.Items.Count > 0 then
  begin
    TableNamesCombo.ItemIndex := 0;
    if Trim(SQLText.Text) <> '' then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
      TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
    end;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
end;

procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
begin
  SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStrings;
begin
  if PageControl.ActivePage = ExecutePage then
    FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
          ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
  else
  begin
    FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
    try
      FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
    finally
      FieldNames.Free
    end;
  end;
end;

procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
end;

procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
var ProcName: string;
    IsProcedureName: boolean;
begin
  FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
  if ProcedureNames.Items.Count > 0 then
  begin
    if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
      ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
    end
    else
      ProcedureNames.ItemIndex := 0;
  end;
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
end;

constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
begin
  inherited Create(TheOwner);
  FIBSystemTables := TIBSystemTables.Create;
end;

destructor TIBSelectSQLEditorForm.Destroy;
begin
  if assigned(FIBSystemTables) then FIBSystemTables.Free;
  inherited Destroy;
end;

procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
begin
  IBTransaction1.DefaultDatabase := Database;
  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
end;

end.
Revision:	45
Committed:	Tue Dec 6 10:33:46 2016 UTC (7 years, 11 months ago) by tony
Content type:	text/x-pascal
File size:	7372 byte(s)
Log Message:	Committing updates for Release R2-0-0
#	User	Rev	Content
1	tony	33	(*
2			* IBX For Lazarus (Firebird Express)
3			*
4			* The contents of this file are subject to the Initial Developer's
5			* Public License Version 1.0 (the "License"); you may not use this
6			* file except in compliance with the License. You may obtain a copy
7			* of the License here:
8			*
9			* http://www.firebirdsql.org/index.php?op=doc&id=idpl
10			*
11			* Software distributed under the License is distributed on an "AS
12			* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13			* implied. See the License for the specific language governing rights
14			* and limitations under the License.
15			*
16			* The Initial Developer of the Original Code is Tony Whyman.
17			*
18			* The Original Code is (C) 2011 Tony Whyman, MWA Software
19			* (http://www.mwasoftware.co.uk).
20			*
21			* All Rights Reserved.
22			*
23			* Contributor(s): ______________________________________.
24			*
25			*)
26
27			unit ibselectsqleditor;
28
29			{$mode objfpc}{$H+}
30
31			interface
32
33			uses
34			Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	tony	45	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet, IB;
36	tony	33
37			type
38
39			{ TIBSelectSQLEditorForm }
40
41			TIBSelectSQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44			GenerateBtn: TButton;
45			GenerateParams: TCheckBox;
46			SelectProcedure: TLabel;
47			TestBtn: TButton;
48			FieldList: TListBox;
49			IBTransaction1: TIBTransaction;
50			Label1: TLabel;
51			Label16: TLabel;
52			Label17: TLabel;
53			Label18: TLabel;
54			Label2: TLabel;
55			Label3: TLabel;
56			Label4: TLabel;
57			PageControl: TPageControl;
58			PrimaryKeyList: TListBox;
59			ProcedureNames: TComboBox;
60			ProcInputList: TListBox;
61			ProcOutputList: TListBox;
62			QuoteFields: TCheckBox;
63			SQLText: TMemo;
64			TableNamesCombo: TComboBox;
65			SelectPage: TTabSheet;
66			ExecutePage: TTabSheet;
67			procedure GenerateBtnClick(Sender: TObject);
68			procedure TestBtnClick(Sender: TObject);
69			procedure ExecutePageShow(Sender: TObject);
70			procedure FieldListDblClick(Sender: TObject);
71			procedure FormShow(Sender: TObject);
72			procedure PrimaryKeyListDblClick(Sender: TObject);
73			procedure ProcedureNamesCloseUp(Sender: TObject);
74			procedure SelectPageShow(Sender: TObject);
75			procedure TableNamesComboCloseUp(Sender: TObject);
76			private
77			{ private declarations }
78			FIBSystemTables: TIBSystemTables;
79			FExecuteOnly: boolean;
80			public
81			{ public declarations }
82			constructor Create(TheOwner: TComponent); override;
83			destructor Destroy; override;
84			procedure SetDatabase(Database: TIBDatabase);
85			end;
86
87
88			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
89
90			implementation
91
92			{$R *.lfm}
93
94			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
95			begin
96			Result := false;
97			if assigned(DataSet) and assigned(DataSet.Database) then
98			try
99			DataSet.Database.Connected := true;
100			except on E: Exception do
101			ShowMessage(E.Message)
102			end;
103
104			with TIBSelectSQLEditorForm.Create(Application) do
105			try
106			if assigned(DataSet) then
107			begin
108			SetDatabase(DataSet.Database);
109			GenerateParams.Checked := DataSet.GenerateParamNames;
110			end;
111			SQLText.Lines.Assign(SelectSQL);
112			Result := ShowModal = mrOK;
113			if Result then
114			begin
115			SelectSQL.Assign(SQLText.Lines);
116			if assigned(DataSet) then
117			DataSet.GenerateParamNames := GenerateParams.Checked
118			end;
119			finally
120			Free
121			end;
122			end;
123
124			{ TIBSelectSQLEditorForm }
125
126			procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
127			var IsProcedureName: boolean;
128			begin
129			GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
130			TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
131			if Trim(SQLText.Text) <> '' then
132			begin
133			try
134			FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
135			except end;
136			if IsProcedureName then
137			PageControl.ActivePage := ExecutePage
138			else
139			PageControl.ActivePage := SelectPage;
140			end
141			else
142			PageControl.ActivePage := SelectPage;
143			end;
144
145			procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
146			begin
147			SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
148			SQLText.SetFocus
149			end;
150
151			procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
152			begin
153			FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
154			SelectProcedure.Visible := not FExecuteOnly
155			end;
156
157			procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
158			var TableName: string;
159			begin
160			TableNamesCombo.Items.Clear;
161			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
162			if TableNamesCombo.Items.Count > 0 then
163			begin
164			TableNamesCombo.ItemIndex := 0;
165			if Trim(SQLText.Text) <> '' then
166			begin
167			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
168			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
169			end;
170			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
171			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
172			end;
173			end;
174
175			procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
176			begin
177			SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
178			SQLText.SetFocus
179			end;
180
181			procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
182			var FieldNames: TStrings;
183			begin
184			if PageControl.ActivePage = ExecutePage then
185			FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
186			ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
187			else
188			begin
189			FieldNames := FIBSystemTables.GetFieldNames(FieldList);
190			try
191			FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
192			finally
193			FieldNames.Free
194			end;
195			end;
196			end;
197
198			procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
199			begin
200			FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
201			end;
202
203			procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
204			var ProcName: string;
205			IsProcedureName: boolean;
206			begin
207			FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
208			if ProcedureNames.Items.Count > 0 then
209			begin
210			if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
211			begin
212			FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
213			ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
214			end
215			else
216			ProcedureNames.ItemIndex := 0;
217			end;
218			FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
219			SelectProcedure.Visible := not FExecuteOnly
220			end;
221
222			procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
223			begin
224			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
225			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
226			end;
227
228			constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
229			begin
230			inherited Create(TheOwner);
231			FIBSystemTables := TIBSystemTables.Create;
232			end;
233
234			destructor TIBSelectSQLEditorForm.Destroy;
235			begin
236			if assigned(FIBSystemTables) then FIBSystemTables.Free;
237			inherited Destroy;
238			end;
239
240			procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
241			begin
242			IBTransaction1.DefaultDatabase := Database;
243			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
244			end;
245
246			end.